Phrase guide

arsenic acid

noun · 2 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

No pronunciation record was provided for this word.

1

noun

Meaning 1

A poisonous, white crystalline compound, H3AsO4, formed from arsenic pentoxide and water; it has the same structure as phosphoric acid, and is used in the manufacture of arsenates.

Definition source: English Wiktionary via Wiktextract

Usage: uncountable

Topics: chemistry, inorganic-chemistry, natural-sciences, physical-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

an acid formed from arsenic pentoxide

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: acid

History

Etymology

No etymology was provided for this word.

Across languages

Translations

15 source translations are retained for this English entry.

  • Afrikaans: arseensuur — H3AsO4
  • Chinese Cantonese: 砷酸 (san1 syun1) — H3AsO4
  • Chinese Mandarin: 砷酸 (shēnsuān) — H3AsO4
  • Dutch: arseenzuur — H3AsO4
  • French: acide arsénique — H3AsO4
  • Galician: ácido arsénico — H3AsO4
  • German: Arsensäure — H3AsO4
  • Italian: acido arsenico — H3AsO4
  • Japanese: 砒酸 (hisan) — H3AsO4
  • Polish: kwas arsenowy — H3AsO4
  • Brazilian Portuguese: ácido arsênico — H3AsO4
  • European Portuguese: ácido arsénico — H3AsO4
  • Romanian: acid arsenic — H3AsO4
  • Russian: мышьяко́вая кислота́ (myšʹjakóvaja kislotá) — H3AsO4
  • Swedish: arseniksyra — H3AsO4